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3-Days Study Plan: Even, Odd, Positive and Negative Numbers | Quantitative for GMAT PDF Download

Introduction

  • Even, Odd, Positive and Negative Numbers form the fundamental building blocks of number theory and arithmetic operations.
  • This chapter is crucial for developing a clear understanding of how these numbers behave in various mathematical contexts.
  • The study plan below uses a combination of comprehensive resources including documents, videos, and tests to ensure thorough preparation and active learning.
  • Following this structured approach will help you master key concepts and apply them confidently in problem solving.

Chapter Overview

  • Introduction to Even and Odd Numbers
  • Rules and Properties of Positive and Negative Numbers
  • Tricks and Tips for Identifying Even and Odd Numbers
  • Multiplication Rules involving Even and Odd Numbers
  • Problem-Solving Techniques for Positive and Negative Numbers
  • Practice and Application through Tests

Study Plan

The document 3-Days Study Plan: Even, Odd, Positive and Negative Numbers | Quantitative for GMAT is a part of the GMAT Course Quantitative for GMAT.
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127 videos|154 docs|111 tests

FAQs on 3-Days Study Plan: Even, Odd, Positive and Negative Numbers - Quantitative for GMAT

1. What are even and odd numbers, and how can they be identified?
Ans. Even numbers are integers that are divisible by 2 without a remainder, such as -4, -2, 0, 2, and 4. Odd numbers, on the other hand, are integers that are not divisible by 2, such as -3, -1, 1, 3, and 5. A simple way to identify them is to check the last digit of a number: if it is 0, 2, 4, 6, or 8, the number is even; if it is 1, 3, 5, 7, or 9, it is odd.
2. How do positive and negative numbers differ, and what are their properties?
Ans. Positive numbers are greater than zero and include all the natural numbers (1, 2, 3, etc.) and their corresponding decimal fractions. Negative numbers are less than zero and include all numbers such as -1, -2, -3, etc. A key property is that the sum of a positive number and a negative number can be thought of as moving along the number line, where moving right represents addition of positives, and moving left represents addition of negatives.
3. How can understanding even, odd, positive, and negative numbers benefit GMAT test-takers?
Ans. A solid grasp of even, odd, positive, and negative numbers helps GMAT test-takers solve various quantitative problems efficiently. These concepts are frequently tested in arithmetic questions, and understanding their properties can lead to quicker calculations, more accurate answers, and improved time management during the exam.
4. Are there specific strategies for solving problems involving even and odd numbers on the GMAT?
Ans. Yes, one effective strategy is to use properties of even and odd numbers to simplify problems. For instance, when adding or multiplying even and odd numbers, remember: the sum of two even numbers or two odd numbers is even, while the sum of an even and an odd number is odd. Similarly, the product of two even numbers or an even and an odd number is even, while the product of two odd numbers is odd. This can help quickly determine the nature of the result without performing full calculations.
5. What role do positive and negative numbers play in solving GMAT algebra questions?
Ans. Positive and negative numbers are crucial in algebra questions on the GMAT, especially when solving equations and inequalities. Understanding how these numbers interact is essential for determining the solutions to various algebraic expressions. Recognizing the implications of negative coefficients, for example, can affect the shape and position of graphs associated with those equations, which is often a focus in GMAT problems.
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